?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
offb: Fix bug in calculating requested vram size
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / staging / rts_pstor / xd.c
blob9bba5b11a824855fe7b3ed321edc203973d56673
1 /* Driver for Realtek PCI-Express card reader
2 *
3 * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2, or (at your option) any
8 * later version.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, see <http://www.gnu.org/licenses/>.
17 *
18 * Author:
19 * wwang (wei_wang@realsil.com.cn)
20 * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
21 */
22
23 #include <linux/blkdev.h>
24 #include <linux/kthread.h>
25 #include <linux/sched.h>
26 #include <linux/vmalloc.h>
27
28 #include "rtsx.h"
29 #include "rtsx_transport.h"
30 #include "rtsx_scsi.h"
31 #include "rtsx_card.h"
32 #include "xd.h"
33
34 static int xd_build_l2p_tbl(struct rtsx_chip *chip, int zone_no);
35 static int xd_init_page(struct rtsx_chip *chip, u32 phy_blk, u16 logoff, u8 start_page, u8 end_page);
36
37 static inline void xd_set_err_code(struct rtsx_chip *chip, u8 err_code)
38 {
39 struct xd_info *xd_card = &(chip->xd_card);
40
41 xd_card->err_code = err_code;
42 }
43
44 static inline int xd_check_err_code(struct rtsx_chip *chip, u8 err_code)
45 {
46 struct xd_info *xd_card = &(chip->xd_card);
47
48 return (xd_card->err_code == err_code);
49 }
50
51 static int xd_set_init_para(struct rtsx_chip *chip)
52 {
53 struct xd_info *xd_card = &(chip->xd_card);
54 int retval;
55
56 if (chip->asic_code)
57 xd_card->xd_clock = 47;
58 else
59 xd_card->xd_clock = CLK_50;
60
61 retval = switch_clock(chip, xd_card->xd_clock);
62 if (retval != STATUS_SUCCESS)
63 TRACE_RET(chip, STATUS_FAIL);
64
65 return STATUS_SUCCESS;
66 }
67
68 static int xd_switch_clock(struct rtsx_chip *chip)
69 {
70 struct xd_info *xd_card = &(chip->xd_card);
71 int retval;
72
73 retval = select_card(chip, XD_CARD);
74 if (retval != STATUS_SUCCESS)
75 TRACE_RET(chip, STATUS_FAIL);
76
77 retval = switch_clock(chip, xd_card->xd_clock);
78 if (retval != STATUS_SUCCESS)
79 TRACE_RET(chip, STATUS_FAIL);
80
81 return STATUS_SUCCESS;
82 }
83
84 static int xd_read_id(struct rtsx_chip *chip, u8 id_cmd, u8 *id_buf, u8 buf_len)
85 {
86 int retval, i;
87 u8 *ptr;
88
89 rtsx_init_cmd(chip);
90
91 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, id_cmd);
92 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_READ_ID);
93 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
94
95 for (i = 0; i < 4; i++)
96 rtsx_add_cmd(chip, READ_REG_CMD, (u16)(XD_ADDRESS1 + i), 0, 0);
97
98 retval = rtsx_send_cmd(chip, XD_CARD, 20);
99 if (retval < 0)
100 TRACE_RET(chip, STATUS_FAIL);
101
102 ptr = rtsx_get_cmd_data(chip) + 1;
103 if (id_buf && buf_len) {
104 if (buf_len > 4)
105 buf_len = 4;
106 memcpy(id_buf, ptr, buf_len);
107 }
108
109 return STATUS_SUCCESS;
110 }
111
112 static void xd_assign_phy_addr(struct rtsx_chip *chip, u32 addr, u8 mode)
113 {
114 struct xd_info *xd_card = &(chip->xd_card);
115
116 switch (mode) {
117 case XD_RW_ADDR:
118 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF, 0);
119 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF, (u8)addr);
120 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 0xFF, (u8)(addr >> 8));
121 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS3, 0xFF, (u8)(addr >> 16));
122 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF,
123 xd_card->addr_cycle | XD_CALC_ECC | XD_BA_NO_TRANSFORM);
124 break;
125
126 case XD_ERASE_ADDR:
127 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF, (u8)addr);
128 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF, (u8)(addr >> 8));
129 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 0xFF, (u8)(addr >> 16));
130 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF,
131 (xd_card->addr_cycle - 1) | XD_CALC_ECC | XD_BA_NO_TRANSFORM);
132 break;
133
134 default:
135 break;
136 }
137 }
138
139 static int xd_read_redundant(struct rtsx_chip *chip, u32 page_addr, u8 *buf, int buf_len)
140 {
141 int retval, i;
142
143 rtsx_init_cmd(chip);
144
145 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
146
147 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_READ_REDUNDANT);
148 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
149
150 for (i = 0; i < 6; i++)
151 rtsx_add_cmd(chip, READ_REG_CMD, (u16)(XD_PAGE_STATUS + i), 0, 0);
152 for (i = 0; i < 4; i++)
153 rtsx_add_cmd(chip, READ_REG_CMD, (u16)(XD_RESERVED0 + i), 0, 0);
154 rtsx_add_cmd(chip, READ_REG_CMD, XD_PARITY, 0, 0);
155
156 retval = rtsx_send_cmd(chip, XD_CARD, 500);
157 if (retval < 0)
158 TRACE_RET(chip, STATUS_FAIL);
159
160 if (buf && buf_len) {
161 u8 *ptr = rtsx_get_cmd_data(chip) + 1;
162
163 if (buf_len > 11)
164 buf_len = 11;
165 memcpy(buf, ptr, buf_len);
166 }
167
168 return STATUS_SUCCESS;
169 }
170
171 static int xd_read_data_from_ppb(struct rtsx_chip *chip, int offset, u8 *buf, int buf_len)
172 {
173 int retval, i;
174
175 if (!buf || (buf_len < 0))
176 TRACE_RET(chip, STATUS_FAIL);
177
178 rtsx_init_cmd(chip);
179
180 for (i = 0; i < buf_len; i++)
181 rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + offset + i, 0, 0);
182
183 retval = rtsx_send_cmd(chip, 0, 250);
184 if (retval < 0) {
185 rtsx_clear_xd_error(chip);
186 TRACE_RET(chip, STATUS_FAIL);
187 }
188
189 memcpy(buf, rtsx_get_cmd_data(chip), buf_len);
190
191 return STATUS_SUCCESS;
192 }
193
194 static int xd_read_cis(struct rtsx_chip *chip, u32 page_addr, u8 *buf, int buf_len)
195 {
196 int retval;
197 u8 reg;
198
199 if (!buf || (buf_len < 10))
200 TRACE_RET(chip, STATUS_FAIL);
201
202 rtsx_init_cmd(chip);
203
204 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
205
206 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER);
207 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
208 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS);
209
210 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_READ_PAGES);
211 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
212
213 retval = rtsx_send_cmd(chip, XD_CARD, 250);
214 if (retval == -ETIMEDOUT) {
215 rtsx_clear_xd_error(chip);
216 TRACE_RET(chip, STATUS_FAIL);
217 }
218
219 RTSX_READ_REG(chip, XD_PAGE_STATUS, &reg);
220 if (reg != XD_GPG) {
221 rtsx_clear_xd_error(chip);
222 TRACE_RET(chip, STATUS_FAIL);
223 }
224
225 RTSX_READ_REG(chip, XD_CTL, &reg);
226 if (!(reg & XD_ECC1_ERROR) || !(reg & XD_ECC1_UNCORRECTABLE)) {
227 retval = xd_read_data_from_ppb(chip, 0, buf, buf_len);
228 if (retval != STATUS_SUCCESS)
229 TRACE_RET(chip, STATUS_FAIL);
230 if (reg & XD_ECC1_ERROR) {
231 u8 ecc_bit, ecc_byte;
232
233 RTSX_READ_REG(chip, XD_ECC_BIT1, &ecc_bit);
234 RTSX_READ_REG(chip, XD_ECC_BYTE1, &ecc_byte);
235
236 RTSX_DEBUGP("ECC_BIT1 = 0x%x, ECC_BYTE1 = 0x%x\n", ecc_bit, ecc_byte);
237 if (ecc_byte < buf_len) {
238 RTSX_DEBUGP("Before correct: 0x%x\n", buf[ecc_byte]);
239 buf[ecc_byte] ^= (1 << ecc_bit);
240 RTSX_DEBUGP("After correct: 0x%x\n", buf[ecc_byte]);
241 }
242 }
243 } else if (!(reg & XD_ECC2_ERROR) || !(reg & XD_ECC2_UNCORRECTABLE)) {
244 rtsx_clear_xd_error(chip);
245
246 retval = xd_read_data_from_ppb(chip, 256, buf, buf_len);
247 if (retval != STATUS_SUCCESS)
248 TRACE_RET(chip, STATUS_FAIL);
249 if (reg & XD_ECC2_ERROR) {
250 u8 ecc_bit, ecc_byte;
251
252 RTSX_READ_REG(chip, XD_ECC_BIT2, &ecc_bit);
253 RTSX_READ_REG(chip, XD_ECC_BYTE2, &ecc_byte);
254
255 RTSX_DEBUGP("ECC_BIT2 = 0x%x, ECC_BYTE2 = 0x%x\n", ecc_bit, ecc_byte);
256 if (ecc_byte < buf_len) {
257 RTSX_DEBUGP("Before correct: 0x%x\n", buf[ecc_byte]);
258 buf[ecc_byte] ^= (1 << ecc_bit);
259 RTSX_DEBUGP("After correct: 0x%x\n", buf[ecc_byte]);
260 }
261 }
262 } else {
263 rtsx_clear_xd_error(chip);
264 TRACE_RET(chip, STATUS_FAIL);
265 }
266
267 return STATUS_SUCCESS;
268 }
269
270 static void xd_fill_pull_ctl_disable(struct rtsx_chip *chip)
271 {
272 if (CHECK_PID(chip, 0x5209)) {
273 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55);
274 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
275 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0xD5);
276 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
277 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
278 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x15);
279 } else if (CHECK_PID(chip, 0x5208)) {
280 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF,
281 XD_D3_PD | XD_D2_PD | XD_D1_PD | XD_D0_PD);
282 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF,
283 XD_D7_PD | XD_D6_PD | XD_D5_PD | XD_D4_PD);
284 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF,
285 XD_WP_PD | XD_CE_PD | XD_CLE_PD | XD_CD_PU);
286 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF,
287 XD_RDY_PD | XD_WE_PD | XD_RE_PD | XD_ALE_PD);
288 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF,
289 MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD);
290 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, MS_D5_PD | MS_D4_PD);
291 } else if (CHECK_PID(chip, 0x5288)) {
292 if (CHECK_BARO_PKG(chip, QFN)) {
293 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55);
294 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
295 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x4B);
296 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x69);
297 }
298 }
299 }
300
301 static void xd_fill_pull_ctl_stage1_barossa(struct rtsx_chip *chip)
302 {
303 if (CHECK_BARO_PKG(chip, QFN)) {
304 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55);
305 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
306 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x4B);
307 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
308 }
309 }
310
311 static void xd_fill_pull_ctl_enable(struct rtsx_chip *chip)
312 {
313 if (CHECK_PID(chip, 0x5209)) {
314 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xAA);
315 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
316 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0xD5);
317 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
318 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
319 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x15);
320 } else if (CHECK_PID(chip, 0x5208)) {
321 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF,
322 XD_D3_PD | XD_D2_PD | XD_D1_PD | XD_D0_PD);
323 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF,
324 XD_D7_PD | XD_D6_PD | XD_D5_PD | XD_D4_PD);
325 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF,
326 XD_WP_PD | XD_CE_PU | XD_CLE_PD | XD_CD_PU);
327 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF,
328 XD_RDY_PU | XD_WE_PU | XD_RE_PU | XD_ALE_PD);
329 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF,
330 MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD);
331 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, MS_D5_PD | MS_D4_PD);
332 } else if (CHECK_PID(chip, 0x5288)) {
333 if (CHECK_BARO_PKG(chip, QFN)) {
334 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55);
335 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
336 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x53);
337 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0xA9);
338 }
339 }
340 }
341
342 static int xd_pull_ctl_disable(struct rtsx_chip *chip)
343 {
344 if (CHECK_PID(chip, 0x5209)) {
345 RTSX_WRITE_REG(chip, CARD_PULL_CTL1, 0xFF, 0x55);
346 RTSX_WRITE_REG(chip, CARD_PULL_CTL2, 0xFF, 0x55);
347 RTSX_WRITE_REG(chip, CARD_PULL_CTL3, 0xFF, 0xD5);
348 RTSX_WRITE_REG(chip, CARD_PULL_CTL4, 0xFF, 0x55);
349 RTSX_WRITE_REG(chip, CARD_PULL_CTL5, 0xFF, 0x55);
350 RTSX_WRITE_REG(chip, CARD_PULL_CTL6, 0xFF, 0x15);
351 } else if (CHECK_PID(chip, 0x5208)) {
352 RTSX_WRITE_REG(chip, CARD_PULL_CTL1, 0xFF,
353 XD_D3_PD | XD_D2_PD | XD_D1_PD | XD_D0_PD);
354 RTSX_WRITE_REG(chip, CARD_PULL_CTL2, 0xFF,
355 XD_D7_PD | XD_D6_PD | XD_D5_PD | XD_D4_PD);
356 RTSX_WRITE_REG(chip, CARD_PULL_CTL3, 0xFF,
357 XD_WP_PD | XD_CE_PD | XD_CLE_PD | XD_CD_PU);
358 RTSX_WRITE_REG(chip, CARD_PULL_CTL4, 0xFF,
359 XD_RDY_PD | XD_WE_PD | XD_RE_PD | XD_ALE_PD);
360 RTSX_WRITE_REG(chip, CARD_PULL_CTL5, 0xFF,
361 MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD);
362 RTSX_WRITE_REG(chip, CARD_PULL_CTL6, 0xFF, MS_D5_PD | MS_D4_PD);
363 } else if (CHECK_PID(chip, 0x5288)) {
364 if (CHECK_BARO_PKG(chip, QFN)) {
365 RTSX_WRITE_REG(chip, CARD_PULL_CTL1, 0xFF, 0x55);
366 RTSX_WRITE_REG(chip, CARD_PULL_CTL2, 0xFF, 0x55);
367 RTSX_WRITE_REG(chip, CARD_PULL_CTL3, 0xFF, 0x4B);
368 RTSX_WRITE_REG(chip, CARD_PULL_CTL4, 0xFF, 0x69);
369 }
370 }
371
372 return STATUS_SUCCESS;
373 }
374
375 static void xd_clear_dma_buffer(struct rtsx_chip *chip)
376 {
377 if (CHECK_PID(chip, 0x5209)) {
378 int retval;
379 u8 *buf;
380
381 RTSX_DEBUGP("xD ECC error, dummy write!\n");
382
383 buf = kmalloc(512, GFP_KERNEL);
384 if (!buf)
385 return;
386
387 rtsx_init_cmd(chip);
388
389 trans_dma_enable(DMA_TO_DEVICE, chip, 512, DMA_512);
390
391 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_SELECT, 0x07, SD_MOD_SEL);
392 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, SD_CLK_EN, SD_CLK_EN);
393 if (chip->asic_code) {
394 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0xAA);
395 } else {
396 rtsx_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL,
397 FPGA_SD_PULL_CTL_BIT, 0);
398 }
399
400 rtsx_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x00);
401 rtsx_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 0x02);
402 rtsx_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 1);
403 rtsx_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0);
404 rtsx_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03, SD_BUS_WIDTH_4);
405
406 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER);
407
408 rtsx_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
409 SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
410 rtsx_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END, SD_TRANSFER_END);
411
412 rtsx_send_cmd_no_wait(chip);
413
414 retval = rtsx_transfer_data(chip, SD_CARD, buf, 512, 0, DMA_TO_DEVICE, 100);
415 if (retval < 0) {
416 u8 val;
417
418 rtsx_read_register(chip, SD_STAT1, &val);
419 RTSX_DEBUGP("SD_STAT1: 0x%x\n", val);
420
421 rtsx_read_register(chip, SD_STAT2, &val);
422 RTSX_DEBUGP("SD_STAT2: 0x%x\n", val);
423
424 rtsx_read_register(chip, SD_BUS_STAT, &val);
425 RTSX_DEBUGP("SD_BUS_STAT: 0x%x\n", val);
426
427 rtsx_write_register(chip, CARD_STOP, SD_STOP | SD_CLR_ERR, SD_STOP | SD_CLR_ERR);
428 }
429
430 kfree(buf);
431
432 if (chip->asic_code) {
433 rtsx_write_register(chip, CARD_PULL_CTL2, 0xFF, 0x55);
434 } else {
435 rtsx_write_register(chip, FPGA_PULL_CTL,
436 FPGA_SD_PULL_CTL_BIT, FPGA_SD_PULL_CTL_BIT);
437 }
438 rtsx_write_register(chip, CARD_SELECT, 0x07, XD_MOD_SEL);
439 rtsx_write_register(chip, CARD_CLK_EN, SD_CLK_EN, 0);
440 }
441 }
442
443 static int reset_xd(struct rtsx_chip *chip)
444 {
445 struct xd_info *xd_card = &(chip->xd_card);
446 int retval, i, j;
447 u8 *ptr, id_buf[4], redunt[11];
448
449 retval = select_card(chip, XD_CARD);
450 if (retval != STATUS_SUCCESS)
451 TRACE_RET(chip, STATUS_FAIL);
452
453 rtsx_init_cmd(chip);
454
455 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, 0xFF, XD_PGSTS_NOT_FF);
456 if (chip->asic_code) {
457 if (!CHECK_PID(chip, 0x5288))
458 xd_fill_pull_ctl_disable(chip);
459 else
460 xd_fill_pull_ctl_stage1_barossa(chip);
461 } else {
462 rtsx_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
463 (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN3) | 0x20);
464 }
465
466 if (!chip->ft2_fast_mode)
467 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_INIT, XD_NO_AUTO_PWR_OFF, 0);
468
469 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0);
470
471 retval = rtsx_send_cmd(chip, XD_CARD, 100);
472 if (retval < 0)
473 TRACE_RET(chip, STATUS_FAIL);
474
475 if (!chip->ft2_fast_mode) {
476 retval = card_power_off(chip, XD_CARD);
477 if (retval != STATUS_SUCCESS)
478 TRACE_RET(chip, STATUS_FAIL);
479
480 wait_timeout(250);
481
482 if (CHECK_PID(chip, 0x5209))
483 RTSX_WRITE_REG(chip, CARD_PULL_CTL1, 0xFF, 0xAA);
484
485 rtsx_init_cmd(chip);
486
487 if (chip->asic_code) {
488 xd_fill_pull_ctl_enable(chip);
489 } else {
490 rtsx_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
491 (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN2) | 0x20);
492 }
493
494 retval = rtsx_send_cmd(chip, XD_CARD, 100);
495 if (retval < 0)
496 TRACE_RET(chip, STATUS_FAIL);
497
498 retval = card_power_on(chip, XD_CARD);
499 if (retval != STATUS_SUCCESS)
500 TRACE_RET(chip, STATUS_FAIL);
501
502 #ifdef SUPPORT_OCP
503 wait_timeout(50);
504 if (chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) {
505 RTSX_DEBUGP("Over current, OCPSTAT is 0x%x\n", chip->ocp_stat);
506 TRACE_RET(chip, STATUS_FAIL);
507 }
508 #endif
509 }
510
511 rtsx_init_cmd(chip);
512
513 if (chip->ft2_fast_mode) {
514 if (chip->asic_code) {
515 xd_fill_pull_ctl_enable(chip);
516 } else {
517 rtsx_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
518 (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN2) | 0x20);
519 }
520 }
521
522 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, XD_OUTPUT_EN);
523 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CTL, XD_CE_DISEN, XD_CE_DISEN);
524
525 retval = rtsx_send_cmd(chip, XD_CARD, 100);
526 if (retval < 0)
527 TRACE_RET(chip, STATUS_FAIL);
528
529 if (!chip->ft2_fast_mode)
530 wait_timeout(200);
531
532 retval = xd_set_init_para(chip);
533 if (retval != STATUS_SUCCESS)
534 TRACE_RET(chip, STATUS_FAIL);
535
536 /* Read ID to check if the timing setting is right */
537 for (i = 0; i < 4; i++) {
538 rtsx_init_cmd(chip);
539
540 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_DTCTL, 0xFF,
541 XD_TIME_SETUP_STEP * 3 + XD_TIME_RW_STEP * (2 + i) + XD_TIME_RWN_STEP * i);
542 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CATCTL, 0xFF,
543 XD_TIME_SETUP_STEP * 3 + XD_TIME_RW_STEP * (4 + i) + XD_TIME_RWN_STEP * (3 + i));
544
545 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_RESET);
546 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
547
548 rtsx_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
549 rtsx_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0);
550
551 retval = rtsx_send_cmd(chip, XD_CARD, 100);
552 if (retval < 0)
553 TRACE_RET(chip, STATUS_FAIL);
554
555 ptr = rtsx_get_cmd_data(chip) + 1;
556
557 RTSX_DEBUGP("XD_DAT: 0x%x, XD_CTL: 0x%x\n", ptr[0], ptr[1]);
558
559 if (((ptr[0] & READY_FLAG) != READY_STATE) || !(ptr[1] & XD_RDY))
560 continue;
561
562 retval = xd_read_id(chip, READ_ID, id_buf, 4);
563 if (retval != STATUS_SUCCESS)
564 TRACE_RET(chip, STATUS_FAIL);
565
566 RTSX_DEBUGP("READ_ID: 0x%x 0x%x 0x%x 0x%x\n",
567 id_buf[0], id_buf[1], id_buf[2], id_buf[3]);
568
569 xd_card->device_code = id_buf[1];
570
571 /* Check if the xD card is supported */
572 switch (xd_card->device_code) {
573 case XD_4M_X8_512_1:
574 case XD_4M_X8_512_2:
575 xd_card->block_shift = 4;
576 xd_card->page_off = 0x0F;
577 xd_card->addr_cycle = 3;
578 xd_card->zone_cnt = 1;
579 xd_card->capacity = 8000;
580 XD_SET_4MB(xd_card);
581 break;
582 case XD_8M_X8_512:
583 xd_card->block_shift = 4;
584 xd_card->page_off = 0x0F;
585 xd_card->addr_cycle = 3;
586 xd_card->zone_cnt = 1;
587 xd_card->capacity = 16000;
588 break;
589 case XD_16M_X8_512:
590 XD_PAGE_512(xd_card);
591 xd_card->addr_cycle = 3;
592 xd_card->zone_cnt = 1;
593 xd_card->capacity = 32000;
594 break;
595 case XD_32M_X8_512:
596 XD_PAGE_512(xd_card);
597 xd_card->addr_cycle = 3;
598 xd_card->zone_cnt = 2;
599 xd_card->capacity = 64000;
600 break;
601 case XD_64M_X8_512:
602 XD_PAGE_512(xd_card);
603 xd_card->addr_cycle = 4;
604 xd_card->zone_cnt = 4;
605 xd_card->capacity = 128000;
606 break;
607 case XD_128M_X8_512:
608 XD_PAGE_512(xd_card);
609 xd_card->addr_cycle = 4;
610 xd_card->zone_cnt = 8;
611 xd_card->capacity = 256000;
612 break;
613 case XD_256M_X8_512:
614 XD_PAGE_512(xd_card);
615 xd_card->addr_cycle = 4;
616 xd_card->zone_cnt = 16;
617 xd_card->capacity = 512000;
618 break;
619 case XD_512M_X8:
620 XD_PAGE_512(xd_card);
621 xd_card->addr_cycle = 4;
622 xd_card->zone_cnt = 32;
623 xd_card->capacity = 1024000;
624 break;
625 case xD_1G_X8_512:
626 XD_PAGE_512(xd_card);
627 xd_card->addr_cycle = 4;
628 xd_card->zone_cnt = 64;
629 xd_card->capacity = 2048000;
630 break;
631 case xD_2G_X8_512:
632 XD_PAGE_512(xd_card);
633 xd_card->addr_cycle = 4;
634 xd_card->zone_cnt = 128;
635 xd_card->capacity = 4096000;
636 break;
637 default:
638 continue;
639 }
640
641 /* Confirm timing setting */
642 for (j = 0; j < 10; j++) {
643 retval = xd_read_id(chip, READ_ID, id_buf, 4);
644 if (retval != STATUS_SUCCESS)
645 TRACE_RET(chip, STATUS_FAIL);
646
647 if (id_buf[1] != xd_card->device_code)
648 break;
649 }
650
651 if (j == 10)
652 break;
653 }
654
655 if (i == 4) {
656 xd_card->block_shift = 0;
657 xd_card->page_off = 0;
658 xd_card->addr_cycle = 0;
659 xd_card->capacity = 0;
660
661 TRACE_RET(chip, STATUS_FAIL);
662 }
663
664 retval = xd_read_id(chip, READ_xD_ID, id_buf, 4);
665 if (retval != STATUS_SUCCESS)
666 TRACE_RET(chip, STATUS_FAIL);
667 RTSX_DEBUGP("READ_xD_ID: 0x%x 0x%x 0x%x 0x%x\n",
668 id_buf[0], id_buf[1], id_buf[2], id_buf[3]);
669 if (id_buf[2] != XD_ID_CODE)
670 TRACE_RET(chip, STATUS_FAIL);
671
672 /* Search CIS block */
673 for (i = 0; i < 24; i++) {
674 u32 page_addr;
675
676 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS)
677 TRACE_RET(chip, STATUS_FAIL);
678
679 page_addr = (u32)i << xd_card->block_shift;
680
681 for (j = 0; j < 3; j++) {
682 retval = xd_read_redundant(chip, page_addr, redunt, 11);
683 if (retval == STATUS_SUCCESS)
684 break;
685 }
686 if (j == 3)
687 continue;
688
689 if (redunt[BLOCK_STATUS] != XD_GBLK)
690 continue;
691
692 j = 0;
693 if (redunt[PAGE_STATUS] != XD_GPG) {
694 for (j = 1; j <= 8; j++) {
695 retval = xd_read_redundant(chip, page_addr + j, redunt, 11);
696 if (retval == STATUS_SUCCESS) {
697 if (redunt[PAGE_STATUS] == XD_GPG)
698 break;
699 }
700 }
701
702 if (j == 9)
703 break;
704 }
705
706 /* Check CIS data */
707 if ((redunt[BLOCK_STATUS] == XD_GBLK) && (redunt[PARITY] & XD_BA1_ALL0)) {
708 u8 buf[10];
709
710 page_addr += j;
711
712 retval = xd_read_cis(chip, page_addr, buf, 10);
713 if (retval != STATUS_SUCCESS)
714 TRACE_RET(chip, STATUS_FAIL);
715
716 if ((buf[0] == 0x01) && (buf[1] == 0x03) && (buf[2] == 0xD9)
717 && (buf[3] == 0x01) && (buf[4] == 0xFF)
718 && (buf[5] == 0x18) && (buf[6] == 0x02)
719 && (buf[7] == 0xDF) && (buf[8] == 0x01)
720 && (buf[9] == 0x20)) {
721 xd_card->cis_block = (u16)i;
722 }
723 }
724
725 break;
726 }
727
728 RTSX_DEBUGP("CIS block: 0x%x\n", xd_card->cis_block);
729 if (xd_card->cis_block == 0xFFFF)
730 TRACE_RET(chip, STATUS_FAIL);
731
732 chip->capacity[chip->card2lun[XD_CARD]] = xd_card->capacity;
733
734 return STATUS_SUCCESS;
735 }
736
737 static int xd_check_data_blank(u8 *redunt)
738 {
739 int i;
740
741 for (i = 0; i < 6; i++) {
742 if (redunt[PAGE_STATUS + i] != 0xFF)
743 return 0;
744 }
745
746 if ((redunt[PARITY] & (XD_ECC1_ALL1 | XD_ECC2_ALL1)) != (XD_ECC1_ALL1 | XD_ECC2_ALL1))
747 return 0;
748
749
750 for (i = 0; i < 4; i++) {
751 if (redunt[RESERVED0 + i] != 0xFF)
752 return 0;
753 }
754
755 return 1;
756 }
757
758 static u16 xd_load_log_block_addr(u8 *redunt)
759 {
760 u16 addr = 0xFFFF;
761
762 if (redunt[PARITY] & XD_BA1_BA2_EQL)
763 addr = ((u16)redunt[BLOCK_ADDR1_H] << 8) | redunt[BLOCK_ADDR1_L];
764 else if (redunt[PARITY] & XD_BA1_VALID)
765 addr = ((u16)redunt[BLOCK_ADDR1_H] << 8) | redunt[BLOCK_ADDR1_L];
766 else if (redunt[PARITY] & XD_BA2_VALID)
767 addr = ((u16)redunt[BLOCK_ADDR2_H] << 8) | redunt[BLOCK_ADDR2_L];
768
769 return addr;
770 }
771
772 static int xd_init_l2p_tbl(struct rtsx_chip *chip)
773 {
774 struct xd_info *xd_card = &(chip->xd_card);
775 int size, i;
776
777 RTSX_DEBUGP("xd_init_l2p_tbl: zone_cnt = %d\n", xd_card->zone_cnt);
778
779 if (xd_card->zone_cnt < 1)
780 TRACE_RET(chip, STATUS_FAIL);
781
782 size = xd_card->zone_cnt * sizeof(struct zone_entry);
783 RTSX_DEBUGP("Buffer size for l2p table is %d\n", size);
784
785 xd_card->zone = (struct zone_entry *)vmalloc(size);
786 if (!xd_card->zone)
787 TRACE_RET(chip, STATUS_ERROR);
788
789 for (i = 0; i < xd_card->zone_cnt; i++) {
790 xd_card->zone[i].build_flag = 0;
791 xd_card->zone[i].l2p_table = NULL;
792 xd_card->zone[i].free_table = NULL;
793 xd_card->zone[i].get_index = 0;
794 xd_card->zone[i].set_index = 0;
795 xd_card->zone[i].unused_blk_cnt = 0;
796 }
797
798 return STATUS_SUCCESS;
799 }
800
801 static inline void free_zone(struct zone_entry *zone)
802 {
803 RTSX_DEBUGP("free_zone\n");
804
805 if (!zone)
806 return;
807
808 zone->build_flag = 0;
809 zone->set_index = 0;
810 zone->get_index = 0;
811 zone->unused_blk_cnt = 0;
812 if (zone->l2p_table) {
813 vfree(zone->l2p_table);
814 zone->l2p_table = NULL;
815 }
816 if (zone->free_table) {
817 vfree(zone->free_table);
818 zone->free_table = NULL;
819 }
820 }
821
822 static void xd_set_unused_block(struct rtsx_chip *chip, u32 phy_blk)
823 {
824 struct xd_info *xd_card = &(chip->xd_card);
825 struct zone_entry *zone;
826 int zone_no;
827
828 zone_no = (int)phy_blk >> 10;
829 if (zone_no >= xd_card->zone_cnt) {
830 RTSX_DEBUGP("Set unused block to invalid zone (zone_no = %d, zone_cnt = %d)\n",
831 zone_no, xd_card->zone_cnt);
832 return;
833 }
834 zone = &(xd_card->zone[zone_no]);
835
836 if (zone->free_table == NULL) {
837 if (xd_build_l2p_tbl(chip, zone_no) != STATUS_SUCCESS)
838 return;
839 }
840
841 if ((zone->set_index >= XD_FREE_TABLE_CNT)
842 || (zone->set_index < 0)) {
843 free_zone(zone);
844 RTSX_DEBUGP("Set unused block fail, invalid set_index\n");
845 return;
846 }
847
848 RTSX_DEBUGP("Set unused block to index %d\n", zone->set_index);
849
850 zone->free_table[zone->set_index++] = (u16) (phy_blk & 0x3ff);
851 if (zone->set_index >= XD_FREE_TABLE_CNT)
852 zone->set_index = 0;
853 zone->unused_blk_cnt++;
854 }
855
856 static u32 xd_get_unused_block(struct rtsx_chip *chip, int zone_no)
857 {
858 struct xd_info *xd_card = &(chip->xd_card);
859 struct zone_entry *zone;
860 u32 phy_blk;
861
862 if (zone_no >= xd_card->zone_cnt) {
863 RTSX_DEBUGP("Get unused block from invalid zone (zone_no = %d, zone_cnt = %d)\n",
864 zone_no, xd_card->zone_cnt);
865 return BLK_NOT_FOUND;
866 }
867 zone = &(xd_card->zone[zone_no]);
868
869 if ((zone->unused_blk_cnt == 0) || (zone->set_index == zone->get_index)) {
870 free_zone(zone);
871 RTSX_DEBUGP("Get unused block fail, no unused block available\n");
872 return BLK_NOT_FOUND;
873 }
874 if ((zone->get_index >= XD_FREE_TABLE_CNT) || (zone->get_index < 0)) {
875 free_zone(zone);
876 RTSX_DEBUGP("Get unused block fail, invalid get_index\n");
877 return BLK_NOT_FOUND;
878 }
879
880 RTSX_DEBUGP("Get unused block from index %d\n", zone->get_index);
881
882 phy_blk = zone->free_table[zone->get_index];
883 zone->free_table[zone->get_index++] = 0xFFFF;
884 if (zone->get_index >= XD_FREE_TABLE_CNT)
885 zone->get_index = 0;
886 zone->unused_blk_cnt--;
887
888 phy_blk += ((u32)(zone_no) << 10);
889 return phy_blk;
890 }
891
892 static void xd_set_l2p_tbl(struct rtsx_chip *chip, int zone_no, u16 log_off, u16 phy_off)
893 {
894 struct xd_info *xd_card = &(chip->xd_card);
895 struct zone_entry *zone;
896
897 zone = &(xd_card->zone[zone_no]);
898 zone->l2p_table[log_off] = phy_off;
899 }
900
901 static u32 xd_get_l2p_tbl(struct rtsx_chip *chip, int zone_no, u16 log_off)
902 {
903 struct xd_info *xd_card = &(chip->xd_card);
904 struct zone_entry *zone;
905 int retval;
906
907 zone = &(xd_card->zone[zone_no]);
908 if (zone->l2p_table[log_off] == 0xFFFF) {
909 u32 phy_blk = 0;
910 int i;
911
912 #ifdef XD_DELAY_WRITE
913 retval = xd_delay_write(chip);
914 if (retval != STATUS_SUCCESS) {
915 RTSX_DEBUGP("In xd_get_l2p_tbl, delay write fail!\n");
916 return BLK_NOT_FOUND;
917 }
918 #endif
919
920 if (zone->unused_blk_cnt <= 0) {
921 RTSX_DEBUGP("No unused block!\n");
922 return BLK_NOT_FOUND;
923 }
924
925 for (i = 0; i < zone->unused_blk_cnt; i++) {
926 phy_blk = xd_get_unused_block(chip, zone_no);
927 if (phy_blk == BLK_NOT_FOUND) {
928 RTSX_DEBUGP("No unused block available!\n");
929 return BLK_NOT_FOUND;
930 }
931
932 retval = xd_init_page(chip, phy_blk, log_off, 0, xd_card->page_off + 1);
933 if (retval == STATUS_SUCCESS)
934 break;
935 }
936 if (i >= zone->unused_blk_cnt) {
937 RTSX_DEBUGP("No good unused block available!\n");
938 return BLK_NOT_FOUND;
939 }
940
941 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(phy_blk & 0x3FF));
942 return phy_blk;
943 }
944
945 return (u32)zone->l2p_table[log_off] + ((u32)(zone_no) << 10);
946 }
947
948 int reset_xd_card(struct rtsx_chip *chip)
949 {
950 struct xd_info *xd_card = &(chip->xd_card);
951 int retval;
952
953 memset(xd_card, 0, sizeof(struct xd_info));
954
955 xd_card->block_shift = 0;
956 xd_card->page_off = 0;
957 xd_card->addr_cycle = 0;
958 xd_card->capacity = 0;
959 xd_card->zone_cnt = 0;
960 xd_card->cis_block = 0xFFFF;
961 xd_card->delay_write.delay_write_flag = 0;
962
963 retval = enable_card_clock(chip, XD_CARD);
964 if (retval != STATUS_SUCCESS)
965 TRACE_RET(chip, STATUS_FAIL);
966
967 retval = reset_xd(chip);
968 if (retval != STATUS_SUCCESS)
969 TRACE_RET(chip, STATUS_FAIL);
970
971 retval = xd_init_l2p_tbl(chip);
972 if (retval != STATUS_SUCCESS)
973 TRACE_RET(chip, STATUS_FAIL);
974
975 return STATUS_SUCCESS;
976 }
977
978 static int xd_mark_bad_block(struct rtsx_chip *chip, u32 phy_blk)
979 {
980 struct xd_info *xd_card = &(chip->xd_card);
981 int retval;
982 u32 page_addr;
983 u8 reg = 0;
984
985 RTSX_DEBUGP("mark block 0x%x as bad block\n", phy_blk);
986
987 if (phy_blk == BLK_NOT_FOUND)
988 TRACE_RET(chip, STATUS_FAIL);
989
990 rtsx_init_cmd(chip);
991
992 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
993 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_LATER_BBLK);
994 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, 0xFF);
995 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, 0xFF);
996 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_H, 0xFF, 0xFF);
997 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_L, 0xFF, 0xFF);
998 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED0, 0xFF, 0xFF);
999 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED1, 0xFF, 0xFF);
1000 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED2, 0xFF, 0xFF);
1001 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED3, 0xFF, 0xFF);
1002
1003 page_addr = phy_blk << xd_card->block_shift;
1004
1005 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1006
1007 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, xd_card->page_off + 1);
1008
1009 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_WRITE_REDUNDANT);
1010 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
1011
1012 retval = rtsx_send_cmd(chip, XD_CARD, 500);
1013 if (retval < 0) {
1014 rtsx_clear_xd_error(chip);
1015 rtsx_read_register(chip, XD_DAT, &reg);
1016 if (reg & PROGRAM_ERROR)
1017 xd_set_err_code(chip, XD_PRG_ERROR);
1018 else
1019 xd_set_err_code(chip, XD_TO_ERROR);
1020 TRACE_RET(chip, STATUS_FAIL);
1021 }
1022
1023 return STATUS_SUCCESS;
1024 }
1025
1026 static int xd_init_page(struct rtsx_chip *chip, u32 phy_blk, u16 logoff, u8 start_page, u8 end_page)
1027 {
1028 struct xd_info *xd_card = &(chip->xd_card);
1029 int retval;
1030 u32 page_addr;
1031 u8 reg = 0;
1032
1033 RTSX_DEBUGP("Init block 0x%x\n", phy_blk);
1034
1035 if (start_page > end_page)
1036 TRACE_RET(chip, STATUS_FAIL);
1037 if (phy_blk == BLK_NOT_FOUND)
1038 TRACE_RET(chip, STATUS_FAIL);
1039
1040 rtsx_init_cmd(chip);
1041
1042 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, 0xFF);
1043 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, 0xFF);
1044 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, (u8)(logoff >> 8));
1045 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, (u8)logoff);
1046
1047 page_addr = (phy_blk << xd_card->block_shift) + start_page;
1048
1049 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1050
1051 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM, XD_BA_TRANSFORM);
1052
1053 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, (end_page - start_page));
1054
1055 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_WRITE_REDUNDANT);
1056 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
1057
1058 retval = rtsx_send_cmd(chip, XD_CARD, 500);
1059 if (retval < 0) {
1060 rtsx_clear_xd_error(chip);
1061 rtsx_read_register(chip, XD_DAT, &reg);
1062 if (reg & PROGRAM_ERROR) {
1063 xd_mark_bad_block(chip, phy_blk);
1064 xd_set_err_code(chip, XD_PRG_ERROR);
1065 } else {
1066 xd_set_err_code(chip, XD_TO_ERROR);
1067 }
1068 TRACE_RET(chip, STATUS_FAIL);
1069 }
1070
1071 return STATUS_SUCCESS;
1072 }
1073
1074 static int xd_copy_page(struct rtsx_chip *chip, u32 old_blk, u32 new_blk, u8 start_page, u8 end_page)
1075 {
1076 struct xd_info *xd_card = &(chip->xd_card);
1077 u32 old_page, new_page;
1078 u8 i, reg = 0;
1079 int retval;
1080
1081 RTSX_DEBUGP("Copy page from block 0x%x to block 0x%x\n", old_blk, new_blk);
1082
1083 if (start_page > end_page)
1084 TRACE_RET(chip, STATUS_FAIL);
1085
1086 if ((old_blk == BLK_NOT_FOUND) || (new_blk == BLK_NOT_FOUND))
1087 TRACE_RET(chip, STATUS_FAIL);
1088
1089 old_page = (old_blk << xd_card->block_shift) + start_page;
1090 new_page = (new_blk << xd_card->block_shift) + start_page;
1091
1092 XD_CLR_BAD_NEWBLK(xd_card);
1093
1094 RTSX_WRITE_REG(chip, CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER);
1095
1096 for (i = start_page; i < end_page; i++) {
1097 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1098 rtsx_clear_xd_error(chip);
1099 xd_set_err_code(chip, XD_NO_CARD);
1100 TRACE_RET(chip, STATUS_FAIL);
1101 }
1102
1103 rtsx_init_cmd(chip);
1104
1105 xd_assign_phy_addr(chip, old_page, XD_RW_ADDR);
1106
1107 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
1108 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS, 0);
1109 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_READ_PAGES);
1110 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
1111
1112 retval = rtsx_send_cmd(chip, XD_CARD, 500);
1113 if (retval < 0) {
1114 rtsx_clear_xd_error(chip);
1115 reg = 0;
1116 rtsx_read_register(chip, XD_CTL, &reg);
1117 if (reg & (XD_ECC1_ERROR | XD_ECC2_ERROR)) {
1118 wait_timeout(100);
1119
1120 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1121 xd_set_err_code(chip, XD_NO_CARD);
1122 TRACE_RET(chip, STATUS_FAIL);
1123 }
1124
1125 if (((reg & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE)) ==
1126 (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1127 || ((reg & (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE)) ==
1128 (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) {
1129 rtsx_write_register(chip, XD_PAGE_STATUS, 0xFF, XD_BPG);
1130 rtsx_write_register(chip, XD_BLOCK_STATUS, 0xFF, XD_GBLK);
1131 XD_SET_BAD_OLDBLK(xd_card);
1132 RTSX_DEBUGP("old block 0x%x ecc error\n", old_blk);
1133 }
1134 } else {
1135 xd_set_err_code(chip, XD_TO_ERROR);
1136 TRACE_RET(chip, STATUS_FAIL);
1137 }
1138 }
1139
1140 if (XD_CHK_BAD_OLDBLK(xd_card))
1141 rtsx_clear_xd_error(chip);
1142
1143 rtsx_init_cmd(chip);
1144
1145 xd_assign_phy_addr(chip, new_page, XD_RW_ADDR);
1146 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
1147 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
1148 XD_TRANSFER_START | XD_WRITE_PAGES);
1149 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
1150
1151 retval = rtsx_send_cmd(chip, XD_CARD, 300);
1152 if (retval < 0) {
1153 rtsx_clear_xd_error(chip);
1154 reg = 0;
1155 rtsx_read_register(chip, XD_DAT, &reg);
1156 if (reg & PROGRAM_ERROR) {
1157 xd_mark_bad_block(chip, new_blk);
1158 xd_set_err_code(chip, XD_PRG_ERROR);
1159 XD_SET_BAD_NEWBLK(xd_card);
1160 } else {
1161 xd_set_err_code(chip, XD_TO_ERROR);
1162 }
1163 TRACE_RET(chip, STATUS_FAIL);
1164 }
1165
1166 old_page++;
1167 new_page++;
1168 }
1169
1170 return STATUS_SUCCESS;
1171 }
1172
1173 static int xd_reset_cmd(struct rtsx_chip *chip)
1174 {
1175 int retval;
1176 u8 *ptr;
1177
1178 rtsx_init_cmd(chip);
1179
1180 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_RESET);
1181 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
1182 rtsx_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
1183 rtsx_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0);
1184
1185 retval = rtsx_send_cmd(chip, XD_CARD, 100);
1186 if (retval < 0)
1187 TRACE_RET(chip, STATUS_FAIL);
1188
1189 ptr = rtsx_get_cmd_data(chip) + 1;
1190 if (((ptr[0] & READY_FLAG) == READY_STATE) && (ptr[1] & XD_RDY))
1191 return STATUS_SUCCESS;
1192
1193 TRACE_RET(chip, STATUS_FAIL);
1194 }
1195
1196 static int xd_erase_block(struct rtsx_chip *chip, u32 phy_blk)
1197 {
1198 struct xd_info *xd_card = &(chip->xd_card);
1199 u32 page_addr;
1200 u8 reg = 0, *ptr;
1201 int i, retval;
1202
1203 if (phy_blk == BLK_NOT_FOUND)
1204 TRACE_RET(chip, STATUS_FAIL);
1205
1206 page_addr = phy_blk << xd_card->block_shift;
1207
1208 for (i = 0; i < 3; i++) {
1209 rtsx_init_cmd(chip);
1210
1211 xd_assign_phy_addr(chip, page_addr, XD_ERASE_ADDR);
1212
1213 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_ERASE);
1214 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
1215 rtsx_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
1216
1217 retval = rtsx_send_cmd(chip, XD_CARD, 250);
1218 if (retval < 0) {
1219 rtsx_clear_xd_error(chip);
1220 rtsx_read_register(chip, XD_DAT, &reg);
1221 if (reg & PROGRAM_ERROR) {
1222 xd_mark_bad_block(chip, phy_blk);
1223 xd_set_err_code(chip, XD_PRG_ERROR);
1224 TRACE_RET(chip, STATUS_FAIL);
1225 } else {
1226 xd_set_err_code(chip, XD_ERASE_FAIL);
1227 }
1228 retval = xd_reset_cmd(chip);
1229 if (retval != STATUS_SUCCESS)
1230 TRACE_RET(chip, STATUS_FAIL);
1231 continue;
1232 }
1233
1234 ptr = rtsx_get_cmd_data(chip) + 1;
1235 if (*ptr & PROGRAM_ERROR) {
1236 xd_mark_bad_block(chip, phy_blk);
1237 xd_set_err_code(chip, XD_PRG_ERROR);
1238 TRACE_RET(chip, STATUS_FAIL);
1239 }
1240
1241 return STATUS_SUCCESS;
1242 }
1243
1244 xd_mark_bad_block(chip, phy_blk);
1245 xd_set_err_code(chip, XD_ERASE_FAIL);
1246 TRACE_RET(chip, STATUS_FAIL);
1247 }
1248
1249
1250 static int xd_build_l2p_tbl(struct rtsx_chip *chip, int zone_no)
1251 {
1252 struct xd_info *xd_card = &(chip->xd_card);
1253 struct zone_entry *zone;
1254 int retval;
1255 u32 start, end, i;
1256 u16 max_logoff, cur_fst_page_logoff, cur_lst_page_logoff, ent_lst_page_logoff;
1257 u8 redunt[11];
1258
1259 RTSX_DEBUGP("xd_build_l2p_tbl: %d\n", zone_no);
1260
1261 if (xd_card->zone == NULL) {
1262 retval = xd_init_l2p_tbl(chip);
1263 if (retval != STATUS_SUCCESS)
1264 return retval;
1265 }
1266
1267 if (xd_card->zone[zone_no].build_flag) {
1268 RTSX_DEBUGP("l2p table of zone %d has been built\n", zone_no);
1269 return STATUS_SUCCESS;
1270 }
1271
1272 zone = &(xd_card->zone[zone_no]);
1273
1274 if (zone->l2p_table == NULL) {
1275 zone->l2p_table = (u16 *)vmalloc(2000);
1276 if (zone->l2p_table == NULL)
1277 TRACE_GOTO(chip, Build_Fail);
1278 }
1279 memset((u8 *)(zone->l2p_table), 0xff, 2000);
1280
1281 if (zone->free_table == NULL) {
1282 zone->free_table = (u16 *)vmalloc(XD_FREE_TABLE_CNT * 2);
1283 if (zone->free_table == NULL)
1284 TRACE_GOTO(chip, Build_Fail);
1285 }
1286 memset((u8 *)(zone->free_table), 0xff, XD_FREE_TABLE_CNT * 2);
1287
1288 if (zone_no == 0) {
1289 if (xd_card->cis_block == 0xFFFF)
1290 start = 0;
1291 else
1292 start = xd_card->cis_block + 1;
1293 if (XD_CHK_4MB(xd_card)) {
1294 end = 0x200;
1295 max_logoff = 499;
1296 } else {
1297 end = 0x400;
1298 max_logoff = 999;
1299 }
1300 } else {
1301 start = (u32)(zone_no) << 10;
1302 end = (u32)(zone_no + 1) << 10;
1303 max_logoff = 999;
1304 }
1305
1306 RTSX_DEBUGP("start block 0x%x, end block 0x%x\n", start, end);
1307
1308 zone->set_index = zone->get_index = 0;
1309 zone->unused_blk_cnt = 0;
1310
1311 for (i = start; i < end; i++) {
1312 u32 page_addr = i << xd_card->block_shift;
1313 u32 phy_block;
1314
1315 retval = xd_read_redundant(chip, page_addr, redunt, 11);
1316 if (retval != STATUS_SUCCESS)
1317 continue;
1318
1319 if (redunt[BLOCK_STATUS] != 0xFF) {
1320 RTSX_DEBUGP("bad block\n");
1321 continue;
1322 }
1323
1324 if (xd_check_data_blank(redunt)) {
1325 RTSX_DEBUGP("blank block\n");
1326 xd_set_unused_block(chip, i);
1327 continue;
1328 }
1329
1330 cur_fst_page_logoff = xd_load_log_block_addr(redunt);
1331 if ((cur_fst_page_logoff == 0xFFFF) || (cur_fst_page_logoff > max_logoff)) {
1332 retval = xd_erase_block(chip, i);
1333 if (retval == STATUS_SUCCESS)
1334 xd_set_unused_block(chip, i);
1335 continue;
1336 }
1337
1338 if ((zone_no == 0) && (cur_fst_page_logoff == 0) && (redunt[PAGE_STATUS] != XD_GPG))
1339 XD_SET_MBR_FAIL(xd_card);
1340
1341 if (zone->l2p_table[cur_fst_page_logoff] == 0xFFFF) {
1342 zone->l2p_table[cur_fst_page_logoff] = (u16)(i & 0x3FF);
1343 continue;
1344 }
1345
1346 phy_block = zone->l2p_table[cur_fst_page_logoff] + ((u32)((zone_no) << 10));
1347
1348 page_addr = ((i + 1) << xd_card->block_shift) - 1;
1349
1350 retval = xd_read_redundant(chip, page_addr, redunt, 11);
1351 if (retval != STATUS_SUCCESS)
1352 continue;
1353
1354 cur_lst_page_logoff = xd_load_log_block_addr(redunt);
1355 if (cur_lst_page_logoff == cur_fst_page_logoff) {
1356 int m;
1357
1358 page_addr = ((phy_block + 1) << xd_card->block_shift) - 1;
1359
1360 for (m = 0; m < 3; m++) {
1361 retval = xd_read_redundant(chip, page_addr, redunt, 11);
1362 if (retval == STATUS_SUCCESS)
1363 break;
1364 }
1365
1366 if (m == 3) {
1367 zone->l2p_table[cur_fst_page_logoff] = (u16)(i & 0x3FF);
1368 retval = xd_erase_block(chip, phy_block);
1369 if (retval == STATUS_SUCCESS)
1370 xd_set_unused_block(chip, phy_block);
1371 continue;
1372 }
1373
1374 ent_lst_page_logoff = xd_load_log_block_addr(redunt);
1375 if (ent_lst_page_logoff != cur_fst_page_logoff) {
1376 zone->l2p_table[cur_fst_page_logoff] = (u16)(i & 0x3FF);
1377 retval = xd_erase_block(chip, phy_block);
1378 if (retval == STATUS_SUCCESS)
1379 xd_set_unused_block(chip, phy_block);
1380 continue;
1381 } else {
1382 retval = xd_erase_block(chip, i);
1383 if (retval == STATUS_SUCCESS)
1384 xd_set_unused_block(chip, i);
1385 }
1386 } else {
1387 retval = xd_erase_block(chip, i);
1388 if (retval == STATUS_SUCCESS)
1389 xd_set_unused_block(chip, i);
1390 }
1391 }
1392
1393 if (XD_CHK_4MB(xd_card))
1394 end = 500;
1395 else
1396 end = 1000;
1397
1398 i = 0;
1399 for (start = 0; start < end; start++) {
1400 if (zone->l2p_table[start] == 0xFFFF)
1401 i++;
1402 }
1403
1404 RTSX_DEBUGP("Block count %d, invalid L2P entry %d\n", end, i);
1405 RTSX_DEBUGP("Total unused block: %d\n", zone->unused_blk_cnt);
1406
1407 if ((zone->unused_blk_cnt - i) < 1)
1408 chip->card_wp |= XD_CARD;
1409
1410 zone->build_flag = 1;
1411
1412 return STATUS_SUCCESS;
1413
1414 Build_Fail:
1415 if (zone->l2p_table) {
1416 vfree(zone->l2p_table);
1417 zone->l2p_table = NULL;
1418 }
1419 if (zone->free_table) {
1420 vfree(zone->free_table);
1421 zone->free_table = NULL;
1422 }
1423
1424 return STATUS_FAIL;
1425 }
1426
1427 static int xd_send_cmd(struct rtsx_chip *chip, u8 cmd)
1428 {
1429 int retval;
1430
1431 rtsx_init_cmd(chip);
1432
1433 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, cmd);
1434 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_SET_CMD);
1435 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
1436
1437 retval = rtsx_send_cmd(chip, XD_CARD, 200);
1438 if (retval < 0)
1439 TRACE_RET(chip, STATUS_FAIL);
1440
1441 return STATUS_SUCCESS;
1442 }
1443
1444 static int xd_read_multiple_pages(struct rtsx_chip *chip, u32 phy_blk, u32 log_blk,
1445 u8 start_page, u8 end_page, u8 *buf, unsigned int *index, unsigned int *offset)
1446 {
1447 struct xd_info *xd_card = &(chip->xd_card);
1448 u32 page_addr, new_blk;
1449 u16 log_off;
1450 u8 reg_val, page_cnt;
1451 int zone_no, retval, i;
1452
1453 if (start_page > end_page)
1454 TRACE_RET(chip, STATUS_FAIL);
1455
1456 page_cnt = end_page - start_page;
1457 zone_no = (int)(log_blk / 1000);
1458 log_off = (u16)(log_blk % 1000);
1459
1460 if ((phy_blk & 0x3FF) == 0x3FF) {
1461 for (i = 0; i < 256; i++) {
1462 page_addr = ((u32)i) << xd_card->block_shift;
1463
1464 retval = xd_read_redundant(chip, page_addr, NULL, 0);
1465 if (retval == STATUS_SUCCESS)
1466 break;
1467
1468 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1469 xd_set_err_code(chip, XD_NO_CARD);
1470 TRACE_RET(chip, STATUS_FAIL);
1471 }
1472 }
1473 }
1474
1475 page_addr = (phy_blk << xd_card->block_shift) + start_page;
1476
1477 rtsx_init_cmd(chip);
1478
1479 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1480 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_PPB_TO_SIE, XD_PPB_TO_SIE);
1481 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER);
1482 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
1483 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
1484 XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS);
1485
1486 trans_dma_enable(chip->srb->sc_data_direction, chip, page_cnt * 512, DMA_512);
1487
1488 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_READ_PAGES);
1489 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
1490 XD_TRANSFER_END | XD_PPB_EMPTY, XD_TRANSFER_END | XD_PPB_EMPTY);
1491
1492 rtsx_send_cmd_no_wait(chip);
1493
1494 retval = rtsx_transfer_data_partial(chip, XD_CARD, buf, page_cnt * 512, scsi_sg_count(chip->srb),
1495 index, offset, DMA_FROM_DEVICE, chip->xd_timeout);
1496 if (retval < 0) {
1497 rtsx_clear_xd_error(chip);
1498 xd_clear_dma_buffer(chip);
1499
1500 if (retval == -ETIMEDOUT) {
1501 xd_set_err_code(chip, XD_TO_ERROR);
1502 TRACE_RET(chip, STATUS_FAIL);
1503 } else {
1504 TRACE_GOTO(chip, Fail);
1505 }
1506 }
1507
1508 return STATUS_SUCCESS;
1509
1510 Fail:
1511 RTSX_READ_REG(chip, XD_PAGE_STATUS, &reg_val);
1512
1513 if (reg_val != XD_GPG)
1514 xd_set_err_code(chip, XD_PRG_ERROR);
1515
1516 RTSX_READ_REG(chip, XD_CTL, &reg_val);
1517
1518 if (((reg_val & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1519 == (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
1520 || ((reg_val & (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))
1521 == (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) {
1522 wait_timeout(100);
1523
1524 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1525 xd_set_err_code(chip, XD_NO_CARD);
1526 TRACE_RET(chip, STATUS_FAIL);
1527 }
1528
1529 xd_set_err_code(chip, XD_ECC_ERROR);
1530
1531 new_blk = xd_get_unused_block(chip, zone_no);
1532 if (new_blk == NO_NEW_BLK) {
1533 XD_CLR_BAD_OLDBLK(xd_card);
1534 TRACE_RET(chip, STATUS_FAIL);
1535 }
1536
1537 retval = xd_copy_page(chip, phy_blk, new_blk, 0, xd_card->page_off + 1);
1538 if (retval != STATUS_SUCCESS) {
1539 if (!XD_CHK_BAD_NEWBLK(xd_card)) {
1540 retval = xd_erase_block(chip, new_blk);
1541 if (retval == STATUS_SUCCESS)
1542 xd_set_unused_block(chip, new_blk);
1543 } else {
1544 XD_CLR_BAD_NEWBLK(xd_card);
1545 }
1546 XD_CLR_BAD_OLDBLK(xd_card);
1547 TRACE_RET(chip, STATUS_FAIL);
1548 }
1549 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1550 xd_erase_block(chip, phy_blk);
1551 xd_mark_bad_block(chip, phy_blk);
1552 XD_CLR_BAD_OLDBLK(xd_card);
1553 }
1554
1555 TRACE_RET(chip, STATUS_FAIL);
1556 }
1557
1558 static int xd_finish_write(struct rtsx_chip *chip,
1559 u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
1560 {
1561 struct xd_info *xd_card = &(chip->xd_card);
1562 int retval, zone_no;
1563 u16 log_off;
1564
1565 RTSX_DEBUGP("xd_finish_write, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x\n",
1566 old_blk, new_blk, log_blk);
1567
1568 if (page_off > xd_card->page_off)
1569 TRACE_RET(chip, STATUS_FAIL);
1570
1571 zone_no = (int)(log_blk / 1000);
1572 log_off = (u16)(log_blk % 1000);
1573
1574 if (old_blk == BLK_NOT_FOUND) {
1575 retval = xd_init_page(chip, new_blk, log_off,
1576 page_off, xd_card->page_off + 1);
1577 if (retval != STATUS_SUCCESS) {
1578 retval = xd_erase_block(chip, new_blk);
1579 if (retval == STATUS_SUCCESS)
1580 xd_set_unused_block(chip, new_blk);
1581 TRACE_RET(chip, STATUS_FAIL);
1582 }
1583 } else {
1584 retval = xd_copy_page(chip, old_blk, new_blk,
1585 page_off, xd_card->page_off + 1);
1586 if (retval != STATUS_SUCCESS) {
1587 if (!XD_CHK_BAD_NEWBLK(xd_card)) {
1588 retval = xd_erase_block(chip, new_blk);
1589 if (retval == STATUS_SUCCESS)
1590 xd_set_unused_block(chip, new_blk);
1591 }
1592 XD_CLR_BAD_NEWBLK(xd_card);
1593 TRACE_RET(chip, STATUS_FAIL);
1594 }
1595
1596 retval = xd_erase_block(chip, old_blk);
1597 if (retval == STATUS_SUCCESS) {
1598 if (XD_CHK_BAD_OLDBLK(xd_card)) {
1599 xd_mark_bad_block(chip, old_blk);
1600 XD_CLR_BAD_OLDBLK(xd_card);
1601 } else {
1602 xd_set_unused_block(chip, old_blk);
1603 }
1604 } else {
1605 xd_set_err_code(chip, XD_NO_ERROR);
1606 XD_CLR_BAD_OLDBLK(xd_card);
1607 }
1608 }
1609
1610 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1611
1612 return STATUS_SUCCESS;
1613 }
1614
1615 static int xd_prepare_write(struct rtsx_chip *chip,
1616 u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
1617 {
1618 int retval;
1619
1620 RTSX_DEBUGP("%s, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x, page_off = %d\n",
1621 __func__, old_blk, new_blk, log_blk, (int)page_off);
1622
1623 if (page_off) {
1624 retval = xd_copy_page(chip, old_blk, new_blk, 0, page_off);
1625 if (retval != STATUS_SUCCESS)
1626 TRACE_RET(chip, STATUS_FAIL);
1627 }
1628
1629 return STATUS_SUCCESS;
1630 }
1631
1632
1633 static int xd_write_multiple_pages(struct rtsx_chip *chip, u32 old_blk, u32 new_blk, u32 log_blk,
1634 u8 start_page, u8 end_page, u8 *buf, unsigned int *index, unsigned int *offset)
1635 {
1636 struct xd_info *xd_card = &(chip->xd_card);
1637 u32 page_addr;
1638 int zone_no, retval;
1639 u16 log_off;
1640 u8 page_cnt, reg_val;
1641
1642 RTSX_DEBUGP("%s, old_blk = 0x%x, new_blk = 0x%x, log_blk = 0x%x\n",
1643 __func__, old_blk, new_blk, log_blk);
1644
1645 if (start_page > end_page)
1646 TRACE_RET(chip, STATUS_FAIL);
1647
1648 page_cnt = end_page - start_page;
1649 zone_no = (int)(log_blk / 1000);
1650 log_off = (u16)(log_blk % 1000);
1651
1652 page_addr = (new_blk << xd_card->block_shift) + start_page;
1653
1654 retval = xd_send_cmd(chip, READ1_1);
1655 if (retval != STATUS_SUCCESS)
1656 TRACE_RET(chip, STATUS_FAIL);
1657
1658 rtsx_init_cmd(chip);
1659
1660 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, (u8)(log_off >> 8));
1661 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, (u8)log_off);
1662 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_GBLK);
1663 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
1664
1665 xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
1666
1667 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM, XD_BA_TRANSFORM);
1668 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
1669 rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER);
1670
1671 trans_dma_enable(chip->srb->sc_data_direction, chip, page_cnt * 512, DMA_512);
1672
1673 rtsx_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF, XD_TRANSFER_START | XD_WRITE_PAGES);
1674 rtsx_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END, XD_TRANSFER_END);
1675
1676 rtsx_send_cmd_no_wait(chip);
1677
1678 retval = rtsx_transfer_data_partial(chip, XD_CARD, buf, page_cnt * 512, scsi_sg_count(chip->srb),
1679 index, offset, DMA_TO_DEVICE, chip->xd_timeout);
1680 if (retval < 0) {
1681 rtsx_clear_xd_error(chip);
1682
1683 if (retval == -ETIMEDOUT) {
1684 xd_set_err_code(chip, XD_TO_ERROR);
1685 TRACE_RET(chip, STATUS_FAIL);
1686 } else {
1687 TRACE_GOTO(chip, Fail);
1688 }
1689 }
1690
1691 if (end_page == (xd_card->page_off + 1)) {
1692 xd_card->delay_write.delay_write_flag = 0;
1693
1694 if (old_blk != BLK_NOT_FOUND) {
1695 retval = xd_erase_block(chip, old_blk);
1696 if (retval == STATUS_SUCCESS) {
1697 if (XD_CHK_BAD_OLDBLK(xd_card)) {
1698 xd_mark_bad_block(chip, old_blk);
1699 XD_CLR_BAD_OLDBLK(xd_card);
1700 } else {
1701 xd_set_unused_block(chip, old_blk);
1702 }
1703 } else {
1704 xd_set_err_code(chip, XD_NO_ERROR);
1705 XD_CLR_BAD_OLDBLK(xd_card);
1706 }
1707 }
1708 xd_set_l2p_tbl(chip, zone_no, log_off, (u16)(new_blk & 0x3FF));
1709 }
1710
1711 return STATUS_SUCCESS;
1712
1713 Fail:
1714 RTSX_READ_REG(chip, XD_DAT, &reg_val);
1715 if (reg_val & PROGRAM_ERROR) {
1716 xd_set_err_code(chip, XD_PRG_ERROR);
1717 xd_mark_bad_block(chip, new_blk);
1718 }
1719
1720 TRACE_RET(chip, STATUS_FAIL);
1721 }
1722
1723 #ifdef XD_DELAY_WRITE
1724 int xd_delay_write(struct rtsx_chip *chip)
1725 {
1726 struct xd_info *xd_card = &(chip->xd_card);
1727 struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
1728 int retval;
1729
1730 if (delay_write->delay_write_flag) {
1731 RTSX_DEBUGP("xd_delay_write\n");
1732 retval = xd_switch_clock(chip);
1733 if (retval != STATUS_SUCCESS)
1734 TRACE_RET(chip, STATUS_FAIL);
1735
1736 delay_write->delay_write_flag = 0;
1737 retval = xd_finish_write(chip,
1738 delay_write->old_phyblock, delay_write->new_phyblock,
1739 delay_write->logblock, delay_write->pageoff);
1740 if (retval != STATUS_SUCCESS)
1741 TRACE_RET(chip, STATUS_FAIL);
1742 }
1743
1744 return STATUS_SUCCESS;
1745 }
1746 #endif
1747
1748 int xd_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip, u32 start_sector, u16 sector_cnt)
1749 {
1750 struct xd_info *xd_card = &(chip->xd_card);
1751 unsigned int lun = SCSI_LUN(srb);
1752 #ifdef XD_DELAY_WRITE
1753 struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
1754 #endif
1755 int retval, zone_no;
1756 unsigned int index = 0, offset = 0;
1757 u32 log_blk, old_blk = 0, new_blk = 0;
1758 u16 log_off, total_sec_cnt = sector_cnt;
1759 u8 start_page, end_page = 0, page_cnt;
1760 u8 *ptr;
1761
1762 xd_set_err_code(chip, XD_NO_ERROR);
1763
1764 xd_card->cleanup_counter = 0;
1765
1766 RTSX_DEBUGP("xd_rw: scsi_sg_count = %d\n", scsi_sg_count(srb));
1767
1768 ptr = (u8 *)scsi_sglist(srb);
1769
1770 retval = xd_switch_clock(chip);
1771 if (retval != STATUS_SUCCESS)
1772 TRACE_RET(chip, STATUS_FAIL);
1773
1774
1775 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1776 chip->card_fail |= XD_CARD;
1777 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
1778 TRACE_RET(chip, STATUS_FAIL);
1779 }
1780
1781 log_blk = start_sector >> xd_card->block_shift;
1782 start_page = (u8)start_sector & xd_card->page_off;
1783 zone_no = (int)(log_blk / 1000);
1784 log_off = (u16)(log_blk % 1000);
1785
1786 if (xd_card->zone[zone_no].build_flag == 0) {
1787 retval = xd_build_l2p_tbl(chip, zone_no);
1788 if (retval != STATUS_SUCCESS) {
1789 chip->card_fail |= XD_CARD;
1790 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
1791 TRACE_RET(chip, STATUS_FAIL);
1792 }
1793 }
1794
1795 if (srb->sc_data_direction == DMA_TO_DEVICE) {
1796 #ifdef XD_DELAY_WRITE
1797 if (delay_write->delay_write_flag &&
1798 (delay_write->logblock == log_blk) &&
1799 (start_page > delay_write->pageoff)) {
1800 delay_write->delay_write_flag = 0;
1801 if (delay_write->old_phyblock != BLK_NOT_FOUND) {
1802 retval = xd_copy_page(chip,
1803 delay_write->old_phyblock,
1804 delay_write->new_phyblock,
1805 delay_write->pageoff, start_page);
1806 if (retval != STATUS_SUCCESS) {
1807 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
1808 TRACE_RET(chip, STATUS_FAIL);
1809 }
1810 }
1811 old_blk = delay_write->old_phyblock;
1812 new_blk = delay_write->new_phyblock;
1813 } else if (delay_write->delay_write_flag &&
1814 (delay_write->logblock == log_blk) &&
1815 (start_page == delay_write->pageoff)) {
1816 delay_write->delay_write_flag = 0;
1817 old_blk = delay_write->old_phyblock;
1818 new_blk = delay_write->new_phyblock;
1819 } else {
1820 retval = xd_delay_write(chip);
1821 if (retval != STATUS_SUCCESS) {
1822 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
1823 TRACE_RET(chip, STATUS_FAIL);
1824 }
1825 #endif
1826 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
1827 new_blk = xd_get_unused_block(chip, zone_no);
1828 if ((old_blk == BLK_NOT_FOUND) || (new_blk == BLK_NOT_FOUND)) {
1829 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
1830 TRACE_RET(chip, STATUS_FAIL);
1831 }
1832
1833 retval = xd_prepare_write(chip, old_blk, new_blk, log_blk, start_page);
1834 if (retval != STATUS_SUCCESS) {
1835 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1836 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
1837 TRACE_RET(chip, STATUS_FAIL);
1838 }
1839 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
1840 TRACE_RET(chip, STATUS_FAIL);
1841 }
1842 #ifdef XD_DELAY_WRITE
1843 }
1844 #endif
1845 } else {
1846 #ifdef XD_DELAY_WRITE
1847 retval = xd_delay_write(chip);
1848 if (retval != STATUS_SUCCESS) {
1849 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1850 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
1851 TRACE_RET(chip, STATUS_FAIL);
1852 }
1853 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
1854 TRACE_RET(chip, STATUS_FAIL);
1855 }
1856 #endif
1857
1858 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
1859 if (old_blk == BLK_NOT_FOUND) {
1860 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
1861 TRACE_RET(chip, STATUS_FAIL);
1862 }
1863 }
1864
1865 RTSX_DEBUGP("old_blk = 0x%x\n", old_blk);
1866
1867 while (total_sec_cnt) {
1868 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1869 chip->card_fail |= XD_CARD;
1870 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
1871 TRACE_RET(chip, STATUS_FAIL);
1872 }
1873
1874 if ((start_page + total_sec_cnt) > (xd_card->page_off + 1))
1875 end_page = xd_card->page_off + 1;
1876 else
1877 end_page = start_page + (u8)total_sec_cnt;
1878
1879 page_cnt = end_page - start_page;
1880 if (srb->sc_data_direction == DMA_FROM_DEVICE) {
1881 retval = xd_read_multiple_pages(chip, old_blk, log_blk,
1882 start_page, end_page, ptr, &index, &offset);
1883 if (retval != STATUS_SUCCESS) {
1884 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
1885 TRACE_RET(chip, STATUS_FAIL);
1886 }
1887 } else {
1888 retval = xd_write_multiple_pages(chip, old_blk, new_blk, log_blk,
1889 start_page, end_page, ptr, &index, &offset);
1890 if (retval != STATUS_SUCCESS) {
1891 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
1892 TRACE_RET(chip, STATUS_FAIL);
1893 }
1894 }
1895
1896 total_sec_cnt -= page_cnt;
1897 if (scsi_sg_count(srb) == 0)
1898 ptr += page_cnt * 512;
1899
1900 if (total_sec_cnt == 0)
1901 break;
1902
1903 log_blk++;
1904 zone_no = (int)(log_blk / 1000);
1905 log_off = (u16)(log_blk % 1000);
1906
1907 if (xd_card->zone[zone_no].build_flag == 0) {
1908 retval = xd_build_l2p_tbl(chip, zone_no);
1909 if (retval != STATUS_SUCCESS) {
1910 chip->card_fail |= XD_CARD;
1911 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
1912 TRACE_RET(chip, STATUS_FAIL);
1913 }
1914 }
1915
1916 old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
1917 if (old_blk == BLK_NOT_FOUND) {
1918 if (srb->sc_data_direction == DMA_FROM_DEVICE)
1919 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
1920 else
1921 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
1922
1923 TRACE_RET(chip, STATUS_FAIL);
1924 }
1925
1926 if (srb->sc_data_direction == DMA_TO_DEVICE) {
1927 new_blk = xd_get_unused_block(chip, zone_no);
1928 if (new_blk == BLK_NOT_FOUND) {
1929 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
1930 TRACE_RET(chip, STATUS_FAIL);
1931 }
1932 }
1933
1934 start_page = 0;
1935 }
1936
1937 if ((srb->sc_data_direction == DMA_TO_DEVICE) &&
1938 (end_page != (xd_card->page_off + 1))) {
1939 #ifdef XD_DELAY_WRITE
1940 delay_write->delay_write_flag = 1;
1941 delay_write->old_phyblock = old_blk;
1942 delay_write->new_phyblock = new_blk;
1943 delay_write->logblock = log_blk;
1944 delay_write->pageoff = end_page;
1945 #else
1946 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1947 chip->card_fail |= XD_CARD;
1948 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
1949 TRACE_RET(chip, STATUS_FAIL);
1950 }
1951
1952 retval = xd_finish_write(chip, old_blk, new_blk, log_blk, end_page);
1953 if (retval != STATUS_SUCCESS) {
1954 if (detect_card_cd(chip, XD_CARD) != STATUS_SUCCESS) {
1955 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
1956 TRACE_RET(chip, STATUS_FAIL);
1957 }
1958 set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
1959 TRACE_RET(chip, STATUS_FAIL);
1960 }
1961 #endif
1962 }
1963
1964 scsi_set_resid(srb, 0);
1965
1966 return STATUS_SUCCESS;
1967 }
1968
1969 void xd_free_l2p_tbl(struct rtsx_chip *chip)
1970 {
1971 struct xd_info *xd_card = &(chip->xd_card);
1972 int i = 0;
1973
1974 if (xd_card->zone != NULL) {
1975 for (i = 0; i < xd_card->zone_cnt; i++) {
1976 if (xd_card->zone[i].l2p_table != NULL) {
1977 vfree(xd_card->zone[i].l2p_table);
1978 xd_card->zone[i].l2p_table = NULL;
1979 }
1980 if (xd_card->zone[i].free_table != NULL) {
1981 vfree(xd_card->zone[i].free_table);
1982 xd_card->zone[i].free_table = NULL;
1983 }
1984 }
1985 vfree(xd_card->zone);
1986 xd_card->zone = NULL;
1987 }
1988 }
1989
1990 void xd_cleanup_work(struct rtsx_chip *chip)
1991 {
1992 #ifdef XD_DELAY_WRITE
1993 struct xd_info *xd_card = &(chip->xd_card);
1994
1995 if (xd_card->delay_write.delay_write_flag) {
1996 RTSX_DEBUGP("xD: delay write\n");
1997 xd_delay_write(chip);
1998 xd_card->cleanup_counter = 0;
1999 }
2000 #endif
2001 }
2002
2003 int xd_power_off_card3v3(struct rtsx_chip *chip)
2004 {
2005 int retval;
2006
2007 retval = disable_card_clock(chip, XD_CARD);
2008 if (retval != STATUS_SUCCESS)
2009 TRACE_RET(chip, STATUS_FAIL);
2010
2011 RTSX_WRITE_REG(chip, CARD_OE, XD_OUTPUT_EN, 0);
2012
2013 if (!chip->ft2_fast_mode) {
2014 retval = card_power_off(chip, XD_CARD);
2015 if (retval != STATUS_SUCCESS)
2016 TRACE_RET(chip, STATUS_FAIL);
2017
2018 wait_timeout(50);
2019 }
2020
2021 if (chip->asic_code) {
2022 retval = xd_pull_ctl_disable(chip);
2023 if (retval != STATUS_SUCCESS)
2024 TRACE_RET(chip, STATUS_FAIL);
2025 } else {
2026 RTSX_WRITE_REG(chip, FPGA_PULL_CTL, 0xFF, 0xDF);
2027 }
2028
2029 return STATUS_SUCCESS;
2030 }
2031
2032 int release_xd_card(struct rtsx_chip *chip)
2033 {
2034 struct xd_info *xd_card = &(chip->xd_card);
2035 int retval;
2036
2037 RTSX_DEBUGP("release_xd_card\n");
2038
2039 chip->card_ready &= ~XD_CARD;
2040 chip->card_fail &= ~XD_CARD;
2041 chip->card_wp &= ~XD_CARD;
2042
2043 xd_card->delay_write.delay_write_flag = 0;
2044
2045 xd_free_l2p_tbl(chip);
2046
2047 retval = xd_power_off_card3v3(chip);
2048 if (retval != STATUS_SUCCESS)
2049 TRACE_RET(chip, STATUS_FAIL);
2050
2051 return STATUS_SUCCESS;
2052 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree